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tokenize_output.py
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tokenize_output.py
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import re
import json
import demjson3
import ast
import logging
from collections.abc import Iterable
_framed_regexp = re.compile(r'^["\'({\[,:;]*(.+?)[,})\]"\':;]*$')
_clean_regexp = re.compile(r'[\n\r\t]')
_env_regexp = re.compile(r'^([a-zA-Z0-9_]+?)=(.*)$')
def filter_tokens(tokens, substring='', len_min=2):
substring_lower = substring.lower()
result = []
for t in tokens:
len_t = len(t)
if len_t <= len_min: # Skip short tokens
continue
if len(set(t)) <= 2: # Skip tokens with repeated characters ('+-+-+')
continue
if substring_lower not in t.lower(): # Skip by substring
continue
result.append(t)
return set(result)
def tokenizer_strip(text, text_cmd='', substring='', current_cmd={}):
tokens = {'final': set(), 'new': set()}
g = _framed_regexp.match(text)
if g:
token = g.group(1)
if token == text:
return tokens
else:
tokens = {'final': set(), 'new': set([token])}
return tokens
return tokens
def tokenizer_split(text, text_cmd='', substring='', current_cmd={}):
text = _clean_regexp.sub(' ', text).strip()
split_combinations = [' ', '":"']
for sc in split_combinations:
tokens = text.split(sc)
if len(tokens) > 1:
break
if tokens != [text]:
tokens = {'final': set(), 'new': set(tokens)}
else:
tokens = {'final': set(), 'new': set()}
return tokens
def tokenizer_env(text, text_cmd='', substring='', current_cmd={}):
tokens = {'final': set(), 'new': set()}
if len(text) < 4:
return tokens
g = _env_regexp.match(text)
if g:
var = g.group(1)
value = g.group(2)
values = value.split(':')
tokens = {
'final': set([var, value] + values),
'new': set([value])
}
return tokens
def dict_keys_values(d, target='values'):
result = {'keys': [], 'values': []}
if d is None:
return result
elif type(d) is dict:
for k in d:
result['keys'] += [k]
val_result = dict_keys_values(d[k], 'values')
result['keys'] += val_result['keys']
result['values'] += val_result['values']
return result
elif type(d) in [list, set]:
for v in d:
val_result = dict_keys_values(v, 'values')
result['keys'] += val_result['keys']
result['values'] += val_result['values']
return result
else:
result[target] += [d]
return result
def list_str(lst):
if isinstance(lst, Iterable):
return [str(l) for l in lst]
else:
return str(lst)
def tokenizer_dict(text, text_cmd='', substring='', current_cmd={}):
tokens = {'final': set(), 'new': set()}
if len(text) < 6:
return tokens
if text[:1] + text[-1:] not in ['{}', '[]']:
return tokens
dct = None
try: # JSON
dct = json.loads(text)
except:
pass
if dct is None:
try: # Python dict
dct = ast.literal_eval(text)
except:
pass
if dct is None:
try: # JavaScript Object
dct = demjson3.decode(text)
except:
pass
if dct is not None:
dct_tokens = dict_keys_values(dct)
values = list_str(dct_tokens['values'])
tokens = {
'final': set(list_str(dct_tokens['keys']) + values),
'new': set(values)
}
return tokens
return tokens
tokenizers_all = {
'dict': tokenizer_dict,
'env': tokenizer_env,
'split': tokenizer_split,
'strip': tokenizer_strip
}
def tokenize_output(text, text_cmd='', substring='', current_cmd={}, tokenizers=['dict', 'env', 'split', 'strip'],
recursion_level=1):
spacing = ' ' * recursion_level * 2
recursion_level_num = f" {recursion_level:02d}"
logging.debug(f"{recursion_level_num}{spacing}TEXT: {text}")
result_tokens = []
found_tokens = False
for tokenizer_name in tokenizers:
tokenizer = tokenizers_all[tokenizer_name]
tokens = tokenizer(text, text_cmd=text_cmd, substring=substring, current_cmd=current_cmd)
if len(tokens['final']) > 0 or len(tokens['new']) > 0:
found_tokens = True
tokens = {
'final': filter_tokens(tokens['final'], substring),
'new': filter_tokens(tokens['new'], substring)
}
logging.debug(f"{recursion_level_num}{spacing * 2}{tokenizer_name} {tokens}")
result_tokens += list(tokens['final'])
if len(tokens['new']) > 0:
for token in tokens['new']:
result_tokens += list(
tokenize_output(token, text_cmd=text_cmd, substring=substring, current_cmd=current_cmd,
recursion_level=(recursion_level + 1), tokenizers=tokenizers))
break
if result_tokens == []:
r = set([text] if not found_tokens and substring.lower() in text.lower() else []) if text != '' else set()
logging.debug(f"{recursion_level_num}{spacing}RETURN {r}")
return r
r = set(result_tokens)
logging.debug(f"{recursion_level_num}{spacing}RETURN {r}")
return r
def tokenize_output_sorted(*args, **kwargs):
r = list(tokenize_output(*args, **kwargs))
r = sorted(r)
return r